What is "timespans"

Usage examples of "timespans".

The large numbers proverbially furnished by astronomy, and the large timespans characteristic of geology, combine to turn topsy-turvy our everyday estimates of what is expected and what is miraculous.

Here, even though the timespans were measured in the millions of years, they could clearly see the enormous power of the planet, and the virtual irrelevancy of the human lives on its surface.